Solving One Step Equations

Front

What is the first step to solve the equation -4z = 16?

Back

Divide both sides by -4 to isolate z.

Front

How do you represent the phrase 'a number minus 9 equals 15' as an equation?

Back

x - 9 = 15.

Front

What operation do you perform to isolate y in the equation 2y = 18?

Back

Divide both sides by 2.

Front

What is the correct operation to isolate y in the equation y - (-9) = 19?

Back

Add 9 to both sides.

Front

How can you express '6 added to a number equals 20' as an equation?

Back

6 + x = 20.

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the solution to the equation 2y = 18?

Back

y = 9.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the inverse operation of subtraction?

Back

Addition.